The word 'peace' is a noun; a word for the absence of war or hostilities; an agreement or treaty to end hostilities; public security and order; inner contentment; a word for a thing.
A noun is used as the subject or a sentence or a clause, and as the object of a verb or a preposition.
Example sentence: "After years of fighting, the two sides sat down and made peace."
(direct object of the verb 'made')
Your right to peaceful protest does not apply here.
The class was peaceful and quiet.
Peace out
Give peace a chance! World peace is a worthy goal.
this peace of junk is a broken into piece
She was augmented by peace and quiet
Most people agree that peace is better than war.
He was arrested for disturbing the peace.
World peace should be global.
The treaty ushered in an epoch of peace and goodwill.
Emma will recite a poem at the school talent show.
I am quite fond of peace and silence.
Ashanti is a singer-songwriter with a powerful voice.
"Few people ever win the Nobel Peace Prize."